text: /**
   * Created by jbz on 8/28/2015.
   */
  jQuery.easing['jswing'] = jQuery.easing['swing'];
  
  jQuery.extend( jQuery.easing,
      {
          def: 'easeOutQuad',
          swing: function (x, t, b, c, d) {
              //alert(jQuery.easing.default);
              return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
          },
          easeInQuad: function (x, t, b, c, d) {
              return c*(t/=d)*t + b;
          },
          easeOutQuad: function (x, t, b, c, d) {
              return -c *(t/=d)*(t-2) + b;
          },
          easeInOutQuad: function (x, t, b, c, d) {
              if ((t/=d/2) < 1) return c/2*t*t + b;
              return -c/2 * ((--t)*(t-2) - 1) + b;
          },
          easeInCubic: function (x, t, b, c, d) {
              return c*(t/=d)*t*t + b;
          },
          easeOutCubic: function (x, t, b, c, d) {
              return c*((t=t/d-1)*t*t + 1) + b;
          },
          easeInOutCubic: function (x, t, b, c, d) {
              if ((t/=d/2) < 1) return c/2*t*t*t + b;
              return c/2*((t-=2)*t*t + 2) + b;
          },
          easeInQuart: function (x, t, b, c, d) {
              return c*(t/=d)*t*t*t + b;
          },
          easeOutQuart: function (x, t, b, c, d) {
              return -c * ((t=t/d-1)*t*t*t - 1) + b;
          },
          easeInOutQuart: function (x, t, b, c, d) {
              if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
              return -c/2 * ((t-=2)*t*t*t - 2) + b;
          },
          easeInQuint: function (x, t, b, c, d) {
              return c*(t/=d)*t*t*t*t + b;
          },
          easeOutQuint: function (x, t, b, c, d) {
              return c*((t=t/d-1)*t*t*t*t + 1) + b;
          },
          easeInOutQuint: function (x, t, b, c, d) {
              if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
              return c/2*((t-=2)*t*t*t*t + 2) + b;
          },
          easeInSine: function (x, t, b, c, d) {
              return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
          },
          easeOutSine: function (x, t, b, c, d) {
              return c * Math.sin(t/d * (Math.PI/2)) + b;
          },
          easeInOutSine: function (x, t, b, c, d) {
              return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
          },
          easeInExpo: function (x, t, b, c, d) {
              return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;
          },
          easeOutExpo: function (x, t, b, c, d) {
              return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
          },
          easeInOutExpo: function (x, t, b, c, d) {
              if (t==0) return b;
              if (t==d) return b+c;
              if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
              return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
          },
          easeInCirc: function (x, t, b, c, d) {
              return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;
          },
          easeOutCirc: function (x, t, b, c, d) {
              return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
          },
          easeInOutCirc: function (x, t, b, c, d) {
              if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;
              return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;
          },
          easeInElastic: function (x, t, b, c, d) {
              var s=1.70158;var p=0;var a=c;
              if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
              if (a < Math.abs(c)) { a=c; var s=p/4; }
              else var s = p/(2*Math.PI) * Math.asin (c/a);
              return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
          },
          easeOutElastic: function (x, t, b, c, d) {
              var s=1.70158;var p=0;var a=c;
              if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
              if (a < Math.abs(c)) { a=c; var s=p/4; }
              else var s = p/(2*Math.PI) * Math.asin (c/a);
              return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
          },
          easeInOutElastic: function (x, t, b, c, d) {
              var s=1.70158;var p=0;var a=c;
              if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
              if (a < Math.abs(c)) { a=c; var s=p/4; }
              else var s = p/(2*Math.PI) * Math.asin (c/a);
              if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
              return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
          },
          easeInBack: function (x, t, b, c, d, s) {
              if (s == undefined) s = 1.70158;
              return c*(t/=d)*t*((s+1)*t - s) + b;
          },
          easeOutBack: function (x, t, b, c, d, s) {
              if (s == undefined) s = 1.70158;
              return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
          },
          easeInOutBack: function (x, t, b, c, d, s) {
              if (s == undefined) s = 1.70158;
              if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
              return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
          },
          easeInBounce: function (x, t, b, c, d) {
              return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b;
          },
          easeOutBounce: function (x, t, b, c, d) {
              if ((t/=d) < (1/2.75)) {
                  return c*(7.5625*t*t) + b;
              } else if (t < (2/2.75)) {
                  return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
              } else if (t < (2.5/2.75)) {
                  return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
              } else {
                  return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
              }
          },
          easeInOutBounce: function (x, t, b, c, d) {
              if (t < d/2) return jQuery.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b;
              return jQuery.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b;
          }
      });